Euclidean D-branes in type IIB string theory on Calabi-Yau threefolds

Abstract

Abstract We compute the contribution of Euclidean D-branes in type IIB string theory on Calabi-Yau threefolds to the metric on the hypermultiplet moduli space in the large volume, weak coupling limit. Our results are in perfect agreement with the predictions based on S-duality, mirror symmetry and supersymmetry.

Keywords

• D-branes
• Nonperturbative Effects
• Superstrings and Heterotic Strings